Chinese Optics Letters, 2013, 11 (7): 070603, Published Online: Jul. 4, 2013  

Flat-top optical frequency comb generation based on optical fiber-loop modulation with external injection Download: 661次

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Abstract
An optical frequency comb generation scheme using time-to-frequency conversion and optical fiber-loop modulation is proposed and demonstrated experimentally. Flat-top optical pulse train from an intensity modulator is injected into a fiber loop, which includes a phase modulator and an amplifier and is cyclically modulated by the phase modulator, to generate abundant optical comb lines. A total of 110 comb lines with 3-dB spectral power variation and 10-GHz frequency spacing are obtained. The proposed scheme is relatively simple and uses only one intensity modulator and one phase modulator.

Yujie Dou, Hongming Zhang, Yang Wang, Minyu Yao. Flat-top optical frequency comb generation based on optical fiber-loop modulation with external injection[J]. Chinese Optics Letters, 2013, 11(7): 070603.

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